21852320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:310

約数の個数: 96

約数和(自身を含む): 59875200

約数和(自身を除く): 38022880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 109, 112, 140, 160, 179, 218, 224, 280, 358, 436, 545, 560, 716, 763, 872, 895, 1090, 1120, 1253, 1432, 1526, 1744, 1790, 2180, 2506, 2864, 3052, 3488, 3580, 3815, 4360, 5012, 5728, 6104, 6265, 7160, 7630, 8720, 10024, 12208, 12530, 14320, 15260, 17440, 19511, 20048, 24416, 25060, 28640, 30520, 39022, 40096, 50120, 61040, 78044, 97555, 100240, 122080, 136577, 156088, 195110, 200480, 273154, 312176, 390220, 546308, 624352, 682885, 780440, 1092616, 1365770, 1560880, 2185232, 2731540, 3121760, 4370464, 5463080, 10926160, 21852320]

約数ペア:

[(1, 21852320), (2, 10926160), (4, 5463080), (5, 4370464), (7, 3121760), (8, 2731540), (10, 2185232), (14, 1560880), (16, 1365770), (20, 1092616), (28, 780440), (32, 682885), (35, 624352), (40, 546308), (56, 390220), (70, 312176), (80, 273154), (109, 200480), (112, 195110), (140, 156088), (160, 136577), (179, 122080), (218, 100240), (224, 97555), (280, 78044), (358, 61040), (436, 50120), (545, 40096), (560, 39022), (716, 30520), (763, 28640), (872, 25060), (895, 24416), (1090, 20048), (1120, 19511), (1253, 17440), (1432, 15260), (1526, 14320), (1744, 12530), (1790, 12208), (2180, 10024), (2506, 8720), (2864, 7630), (3052, 7160), (3488, 6265), (3580, 6104), (3815, 5728), (4360, 5012)]